breakthrough-n; 4 Senses

Sense Number 1: significant discovery or new Insight

Commentary: BREAKTHROUGH[+event][+discovery][+significant][+insight] Any kind of productive insight or new understanding.

Examples:
Computer scientists have made a breakthrough in JPEG compression.
New breakthroughs in medicine are happening every day.
John had a spiritual breakthrough and converted to Zen Buddhism.
Cold fusion turned out not to be the breakthrough its advocates had declared it to be.

Mappings:
PropBank: breakthrough.01WordNet 3.0 Sense Numbers: 1

Sense Number 2: Placeholder: Do Not Choose

Examples:

Mappings:
PropBank: NMWordNet 3.0 Sense Numbers: 1

Sense Number 3: penetration of a barrier or obstacle

Commentary: BREAKTHROUGH[+event][+penetration][+barrier] The penetration of some barrier, either physical or social

Examples:
The breakthrough of the enemy's gates occurred after a prolonged assault.
The labor union's concession on pay was a key breakthrough for the negotiations.
This novel was her real breakthrough into the New York literary scene.